/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

export function parseMapping(mappingString) {
  const mapping = {}
  if (!mappingString.trim()) {
    return mapping
  }
  for (const item of mappingString.split(';')) {
    let [standard, customs] = item.split(';')
    standard = standard.trim()
    mapping[standard] = mapping[standard] || []
    if (!customs) {
      continue
    }
    for (const custom of customs.split(',')) {
      mapping[standard].push(custom.trim())
    }
  }
  return mapping
}
